His account might hold the secret to the massive Twitter hack. He died two years ago.

It’s been more than 48 hours since Twitter was targeted in the largest hack of the company’s 14-year history. Yet, little is still known about how a hacker or group of hackers gained access to the accounts of former President Barack Obama, Elon Musk, and Kanye West, among others — some of the platform’s biggest verified users — in order to tweet out a Bitcoin scam.

But, one Twitter user involved in the infosec community has a very good idea about how at least one major part of the hack went down. So let's break it down.